Not networked or shared.    Lacerte says getting acknowledgement has to be on the same computer ID as the return was originally efiled.    My Lacerte account and the client are the same regardless of which computer I use, so I don't see why the computer ID has to be the same.    I don't know if the rep was right or just told me something he thought.   I know several years ago a rep told me how to force the update of acknowledgements.  Maybe they don't have that anymore due to newer security rules.